kerry agreed. but this was not his only challenge in the region this week. the freshly minted secretary of state eye raved in kabul from baghdad where he pressed u.s. claims that iran is shipping weapons to syria through iraqi air space. >> anything that supports president assad is problematic. >> ifill: kerry said sunday that he and iraqi prime minister nouri al-maliki had a very spirited discussion on the issue. >> i also made it clear to him that there are members of congress and people in america who increasingly are watching what iraq is doing and wondering how it is that a partner in the efforts for democracy and a partner for whom americans feel they have tried so hard to be helpful, how that country can be, in fact, doing something that makes it more difficult to achieve our common goals. >> ifill: for kerry, stopping the violence in syria after two years and 70,000 people killed will be another top diplomatic priority. so will the years-long effort to block iran from obtaining a nuclear weapon. today both problems have proved intractable. at the sam